EP1814251A4 - Communication method and radio transmitter - Google Patents

Communication method and radio transmitter

Info

Publication number
EP1814251A4
EP1814251A4 EP05799403A EP05799403A EP1814251A4 EP 1814251 A4 EP1814251 A4 EP 1814251A4 EP 05799403 A EP05799403 A EP 05799403A EP 05799403 A EP05799403 A EP 05799403A EP 1814251 A4 EP1814251 A4 EP 1814251A4
Authority
EP
European Patent Office
Prior art keywords
transmission
communication
subcarrier
allocated
radio transmitter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP05799403A
Other languages
German (de)
French (fr)
Other versions
EP1814251A1 (en
Inventor
Yasuhiro Hamaguchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
Original Assignee
Sharp Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
Priority to JP2004317364 priority Critical
Application filed by Sharp Corp filed Critical Sharp Corp
Priority to PCT/JP2005/019898 priority patent/WO2006046696A1/en
Publication of EP1814251A1 publication Critical patent/EP1814251A1/en
Publication of EP1814251A4 publication Critical patent/EP1814251A4/en
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=36227936&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1814251(A4) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application status is Withdrawn legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management, e.g. wireless traffic scheduling or selection or allocation of wireless resources
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation where an allocation plan is defined based on the type of the allocated resource
    • H04W72/0453Wireless resource allocation where an allocation plan is defined based on the type of the allocated resource the resource being a frequency, carrier or frequency band
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2626Arrangements specific to the transmitter
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2626Arrangements specific to the transmitter
    • H04L27/2627Modulators
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver
    • H04L27/2649Demodulators
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0003Two-dimensional division
    • H04L5/0005Time-frequency
    • H04L5/0007Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/001Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0037Inter-user or inter-terminal allocation
    • H04L5/0039Frequency-contiguous, i.e. with no allocation of frequencies for one user or terminal between the frequencies allocated to another
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044Arrangements for allocating sub-channels of the transmission path allocation of payload
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/02Channels characterised by the type of signal
    • H04L5/023Multiplexing of multicarrier modulation signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management, e.g. wireless traffic scheduling or selection or allocation of wireless resources
    • H04W72/04Wireless resource allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management, e.g. wireless traffic scheduling or selection or allocation of wireless resources
    • H04W72/04Wireless resource allocation
    • H04W72/0406Wireless resource allocation involving control information exchange between nodes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management, e.g. wireless traffic scheduling or selection or allocation of wireless resources
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation where an allocation plan is defined based on the type of the allocated resource
    • H04W72/0473Wireless resource allocation where an allocation plan is defined based on the type of the allocated resource the resource being transmission power
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/02Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10Small scale networks; Flat hierarchical networks
    • H04W84/12WLAN [Wireless Local Area Networks]

Abstract

Radio transmission is performed even to a communication party whose bandwidth that can be used for transmission and reception is limited without having an influence of an offset of a DC component. A radio transmitter applied to an OFDMA communication system in which a plurality of different terminals performs communication using OFDM signals at the same time that includes a mapping part that allocates transmission power to each subcarrier, and also selects a subcarrier to which minimum power of the transmission power to be allocated is allocated and modulates transmission data in units of communication slots to output the modulated data; and a transmission part for transmitting radio signals including the modulated data using each of the subcarriers.
EP05799403A 2004-10-29 2005-10-28 Communication method and radio transmitter Withdrawn EP1814251A4 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2004317364 2004-10-29
PCT/JP2005/019898 WO2006046696A1 (en) 2004-10-29 2005-10-28 Communication method and radio transmitter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14161791.0A EP2750312B1 (en) 2004-10-29 2005-10-28 Communication method and radio transmitter
EP18165377.5A EP3364573A1 (en) 2004-10-29 2005-10-28 Communication method and radio transmitter

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP14161791.0A Division EP2750312B1 (en) 2004-10-29 2005-10-28 Communication method and radio transmitter
EP18165377.5A Division EP3364573A1 (en) 2004-10-29 2005-10-28 Communication method and radio transmitter

Publications (2)

Publication Number Publication Date
EP1814251A1 EP1814251A1 (en) 2007-08-01
EP1814251A4 true EP1814251A4 (en) 2012-06-27

Family

ID=36227936

Family Applications (3)

Application Number Title Priority Date Filing Date
EP14161791.0A Active EP2750312B1 (en) 2004-10-29 2005-10-28 Communication method and radio transmitter
EP05799403A Withdrawn EP1814251A4 (en) 2004-10-29 2005-10-28 Communication method and radio transmitter
EP18165377.5A Pending EP3364573A1 (en) 2004-10-29 2005-10-28 Communication method and radio transmitter

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP14161791.0A Active EP2750312B1 (en) 2004-10-29 2005-10-28 Communication method and radio transmitter

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP18165377.5A Pending EP3364573A1 (en) 2004-10-29 2005-10-28 Communication method and radio transmitter

Country Status (6)

Country Link
US (9) US8488688B2 (en)
EP (3) EP2750312B1 (en)
JP (5) JP4658959B2 (en)
CN (3) CN101048960B (en)
DE (1) DE202005022046U1 (en)
WO (1) WO2006046696A1 (en)

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